Cement-tile machine.



G. L.V ALLEN.

' CEMENT TILE MACHINE..

APPLIOATION FILED JULY 19, 1911.

1, J,37,' 18s3),v Patented sept. 3,1912.

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G.L.EALLEN. CEMENT TILE MACHINE. APPLICATION FILED JULY 19, 1911.

1,087, 1 89. Patented ,Sepia 3, 19.12.

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e.' L. ALLEN. CEMENT TILE MACHINE.

APPLICATION FILED JULY 19, 1911.

V:l ,037 1 89.4 i Patented Sept. 3, 1912.

ai il. /f I mm 77 7i' .ld Ldll Patented Sept. 3,1912.

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PATENT oEEIoE.

GUY LEROY ALLEN, F BOULDER, COLORADO.

CEMENT-TILE MACHINE.

Application led July 19,

Specification of Letters Patent.

Patented sept. l3, 1912. 1911. serial No. 639,303. i

To c25 whom t may concern Be it known that I, GUY LEROY ALLEN, a citizen ofthe United States, residing at Boulder, in the county of Boulder and State of Colorado, have invented certain new and useful Improvements in Cement-Tile Machines, of which the following is a specification, reference being had to tbe accom-"' panying drawings.

My invention relates to new and useful improvements 1n tile forming machines and more particularly to av machine for forming drain tiles, cement sewer pipes and the like, and my object is to provide a vmachine of this character provided with an improved tamping device which tamps the cement as the same is fed into the mold to form the tile.

A further object of the invention resides in providing a tamping device withmeans ywhereby the tamper will be automatically raised and adjusted to the level of the ce' -ment in the form, and which will automatically raiserand lower said tamper to adjust the same to the Vvarying condition of the cement in t-he form.

A further object of the invent-ion resides in providing aweight which partly balances the tamping device, whereby the increasing and decreasing of theweight will, respec-*i tively, decrease and increase the force of the blo'nT given by said tamper, and a still further object resides' in providing a suitable shock' absorber for the' tamper.

Still another object of the invention resides'in providing means wherebyt-he tamping device may be moved forwardly and rearwardly on .the main frame of the machine, thereby compensating for various sizes .of molds.

i A still further object ofthe invention resides in providing a revolving table fo'fr the `mo ld,'and a still further object resides in l part of this application, Figure l is a front lelevation of the machine.` Fig. '2 is a side enlarged side elevation partly in section showing the means for absorbing the shock from the blow of the tamper. Fig. 4 is an ,elevation showing the means lfor removing the forni-from the machine after the tilel has lbeen formed. Fig. 5 is a horizontal vsection as seen on linee-5, Fig.' 2. Fig. 6 is a secftiongas seen on line 6 6, Fig. '2. Fig. 7 is a sectionas seen-on line 7-7, Fig. 3, and, Fig. .8 is @section as seen on line 84-8, Fig. 2.

In carrying out my invention, I shall refor 'to the drawings in which similar reference characters designate corresponding parts throughout theseveral views and in WMC/,1 .y .Il

, land 2 indicate, respectively', the'upper and lower platforms of the main frame ofthe machine, said platformsbeing held-and supported one above the other by' means of the braces 3, and said lowerplatform 2'has rotatably mounted thereon, the counter-shaft 4` which -is adapted to receive power from any desired source, whatsoever-,'(notshown). The zlower'platfo'rm 2 is fgreater'length than the upper platform 1 andthat portion ofthe lower platform extending beyond the upper platform, is provided about centrally Awith a socket which receives the stem or vstub shaft 6' of a rotating A-table or platform 7. This socket and stem center the table with respect to the platform in the rotating movement of said table, andA in order to provide a supporting means for the outer ends mounted on sait1 platform in circular alinement, which rollers receive in contact therewith, the under face of said table 7 t The shaft 4 extends on the platform 2 so -that one end thereof is disposed below the rotating table 7 and said end of the shaft 4 is provided with a friction disk 9 which is adapted to engage the lower face of. said table 7 to cause the latter to be rotated upon ever, to allow the shaft 4to continue in its rotation without rotating the table 7', afoot lever 10 is pivotally mounted on the platelevation thereof. Fig. 3 is a fragmentary of said table, a plurality of rollers 8 are the rotation of said shaft 4. ln order, howf 103 form 2 and has one end thereof provided with an idler roller -11 which is disposed be-. neath said table 7, whereby when pressure isjl placed on the free end of said' lever 10, the

end* carryingthe roller I1, will he forced llv upwardly and contact with the under face ofthe table and thereby raise the same in its bearings above the friction disk or Wheel 9.

Secured on the table' 7, is a base plate 12 which carries thereon, a central core 13, said core being arranged on the base plate to be disposed in the plane of the vertical axis of said t'able, and also mount-ed on the base plate 12 to surround the core 13, is a sectional jacket or casing 14. The lower ,end

4of this jacket 14 may be held centered with respect to the core 13 in any desired manrer at the lower end thereof, and the upper end thereof is held centered by means of a plate 15 adapted to engage saine and which is pivoted on the upperend of a standard 16, which standard is secured on the base plate 12. `Theu'pper'end of the jacket 14 is preferably flared, as shown at 1T, which will result in forming a subst'an tially hell-shaped tile, and the arm 15 is adapted to engage this portion of the jacket to retain the same centered with respect te the core 13.

The upper platform 1 has supported -thereab'ove along the side edges thereof, a

, which pair of guide bars or rodslS vwhich extend longitudinally the full length of the frame, and mounted on these guide rods 1S, is a frame or the like 19 which embodies the transverse bars 20 and the longitudinal bars 21. The outer side edges ofthe guide bars 1S project beyond the side edges of the frame, upon which they are mounted, and the transverse bars 2() are bent downwardly and inwardly, as shown at 22, to form channels to receive the projectingr edges of said guide bars 1S, whereby said frame 19 .may be readily moved along said guide rods. The forward of the two transverse bars 20 has securely mounted therein, the lower `ends of a pair of vertical shafts 23, said shafts being spaced a shortdistance apart and the upper ends of said shafts are secured in a bracing and spacing plate 24. and said shafts i 23 are Vheld in a substantially vertical position by means of the bracing bars or guys 25,` which extend from said bracing plate 24 to the rear of said frame.

Slidably mounted onthe shafts 23, which form substantial guide bars, is a frame 26 which frame is guided along said shafts by being provided with the sleeves 27 through which said shafts extend, and said frame 26 is provided with ai rearwardly or laterally extending sleeve or bear-ing 28 hasl rotatably-mounted, therein, a shaft 29. The ends of this shaft 29 extend beyond the sleeve 28, and the forward end Vthereofhas mounted thereon, a crank ,"30

r which is p'ivotallyA connected with a tamp-` ing head 31 by means of the connecting rod or pitman 32, said head 31 being extended through vertically arr ged guiding sleeve 33 carried on the framegill. The head 31 is from the head 31 and sleeve 35, but a head 41 .formed on the inner end of the reduced portion 33 of said rod, is adapted to contact with the innerl end of the sleeve-like member 35 and limit the movement of said rod 38, whereby it will be seen that as said tamper 3Sis forced into engagement with any material below. the shock or jar will be obviously absorbed by the action of the spring 40. The tamper 3S depends to a point below the upper platform 1 of the frameand is retained in a substantially vertical position by means of the guide member 42 secured on said platform 1, and in order to balance the frame 26 which supports said tamper, on the shafts or guide bars 23, a cable 43 is provided. one end of which is secured to said frame and extended over the pulleys 44 and 45 supported on the upper bracing plate 24 and over the pulley t which is carried on therein' end of the ha r 20 of the frame 19. The opposite end of said cable 43 has a weight 47 secured thereto which partly balances the weight of the frame 26 and its adJunctive parts, whereby as theanaterial by which the tamper 38 is adapted to be engaged, is increased in height, theframe and tampin device in general will likewise be automatlcally raised and the weight thereof taken up by the weight 47 in the end of the cable 43. The inneropposite end of the shaft 2f) is provided with a bevel gear 48 which meshes with a similar gear 49 carried on an addi' tional vertical shaft 50, said additional vertical shaft being disposed immediately rin the rear of thc shafts 23 and rotatably mounted in the upper and lower bearings 51 and 52, respectively. The upper bearing 51 is carried or supported by the upper bracing plate 24, while the lower bearing is extended from the forward transverse bar 20 of the frame 19 and said shaft 50 is also guided through a guide sleeve 53 carried lon the sleeve 28, whereby it will be observed that the shaft 50 and the guide shafts 23 keyed on the shaft 56 so as to be capable of a sliding movement thereon, is a pulley Y-which connects with a pulley 59 on t-he shaft 4 by means of a belt 60, whereby it will be seen that when power is applied to said shaft 4, the same may be conducted to the shaft 56 which in turn transmits the same to the vertical shaft 50, said vertical shaft indirectly operating the tamper 38 through the medium of the various parts heretofore described. In order to stop the rotation of the shaft 50 without affecting the rotation of the shafts 4 and 56, re-

4.spectively,I have provideda .lever 61, one

-end of which is pivotally connected to an arm.. 62 mounted on the forward transverse bar 2O so that said lever 61 is disposed immediately belowthe friction cone 54, and when said .lever is raised, the friction cone ,54 w-ill be raised from its engagement with the cone 55 to stop the rotation of the former, .and in order to retain said lever in such raised position, a guide or keeper 63' 1s provlded to receive vthe free end of said lever 61.

As .before stated, the shaft 50, and the guideishafts 23 with the adjunotive parts in connection with the tamping device, are

- all-securely mounted on the frame 19 so as to be movable therewith, and in order to move said frame backvardly and forwardly on the upper platform 1, I have provided a rack 64 on one of the side edges of said platform with Vwhich is engaged the teeth of a pinion 65 rotatably carried on one side'4 -be moved backwardly out of operative position.

- I have also provided means for the rais- ,ing of the concrete or cement so as to be lowered into the form, and tothis extent, l ""provide van additional shaft 67 which is rotatablvmounted on the lower platform 2 and which is connected by means of a belt 68 with a pulley 69 carried o-n the upper end of a standardl70, said'standard .being also :supported on the lowerA platform 2. The upper end of this standard is provided with a binA or chute 71, in the bottomY of which is provided' a door or the like 72 which may be operated by means of a cable or the like attached to a lever 7 3 connected to sam ldoor. and. said belt is provided with a plurality pof elevating '.buckets74 which are adapted to carry-,fthe mixture upwardly and emptyr the same intothe chute or bin 71. A boot or hopper 7 5 is provided in the lower platform 2 below the shaft 67 into -which the mixture is adapted to` be emptied, whereby as the shaft 67 is rotated, the bucket 74 will -engage the mixture and carry the same to said bin 71, and disposed immediately below the door -72 of said bin, is a telescoping or sectional chute 76 which is supported from the main frame of the machine and is disposed so that the lower end thereof is in position to conduct the material from the bin 71 to a point immediately over the form on the rotating table 7 This chute 76 being a sectional telescoping one, is capable of being adjusted so as to provide for various sized molds, and. it will beseen that the material conducted from the bin 71 will be passed to the flared portion of said mold which acts as a hopper in-this instance, from where the same is dropped between the core and the outer jacket and is tamped as the form is rotatedon the table 7. When the form has provided with a handle member 80 thereon.

This threaded stem extends through a threaded opening in the plate 77 and is liriapted to be applied so that the lower end thereof is screwed down tightly upon the upper end' of the core 18 and the hooked arm 78 engaged under the flared portion 17 of the jacket 14. The plate 77 is then secured in any desired manner to a stationary object and the table 7 is then rotated, which will allow the plate to rise on the screw 7 9 which will'rotate with the core 13, thereby causing the jacket 14 to rise therewith.

In operation, a jacket of any desired size, is placed on the base plate 12 and 'cerfteredin position with respect to the core 13, whereupon the frame 19 carrying the tamping device and other adjunctive parts, is movedon the upper platform 1 so that the tamper 38 suspended therefrom,will be in position to tamp the material which is adapted to be entered in the upper end of the jackets The lever 61' is then raised so that the friction cones 54 and 55 are disen' gaged and the machine is started, whereby the table 7 will be revolved to also revolve the form thereon and as the shaft 67 is connected in any desired manner, (not shown), with the shaftl 4, it will be appreciated that at the start ofthe operation of the machine,

the belt-68 will be rotated on theshaft 67 i and the pulley 69 -to carry the concrete from the boot 75 upwardly to the bin 71. Through the medium of the door 72, the flow of said lao las

concrete from said bin may be adjusted so as to iow gradually on the chute 76 to the form on the revolving table ,7. After the fiow of concrete tothe form has been started, the shaft 50 is lowered through the medium of the lever 61 sovthat the friction cones 54 and 55 are engaged with one another, which operation will allow the gears 48 and 49 to mesh and thereby rotate the crank 30, and as said crank 30 is rotated, the tamper 38 will be in turn reciprocated to tamp the concrete between the core 13 and the jacket 14.' As the frame 26 which is slidably mounted on the shafts or bars 23 and carriesthe tamper 3S, is not quite balanced by the `weight 4.7, the same will. lower itself sthat the lower end of the tamper 3S will engage the concrete as'the same is started to fiow in the form, and as said concrete is increased in height by the. continuous flow thereof from the chute 76, said frame Q6 and the parts Will be automatically raisedv and' compensated for by the weight 47 on the end of the cable'43. It may happen during the operation of the machine that the mixture which is being tamped, is uneven on its upper surface, but in view ofthe particular mannerv in which the tamping device is applied tothe. machine, that is, through themedium of the weight, the tamper will rise and fall with the unevenness of the upper surface of the concrete, thereby insuring a perfectly tamped tile. In order to increase or decrease the force with which the blow of the tamper 3S is driven, lighter or heavier weights are, respectively, applied to the end of the cable 3, and in order to relieve the 'trame of the tamping device of the jar from which the same is ordinarily subjected, as said tamper is in operation, the spring 40 has been provided in connection with the head 31 and sleeve 4l, as heretofore described. lVhen the tile has been tamped to completion, the shaft may be raised so that the cones 54 andl 55 are disengaged and the frame 19 moved rearwardly through the medium of the crank 66 operating the pinion 65. Pressure may then be placed on t-ne foot lever 10 to raise the table T from its engagement with the rotating,r

` friction disk 9 and the Ajacket-removing device applied in the manner heretofore described, whereupon the pressure is then re-v leased from said foot lever and the ,table allowedY to again rotate, As the table rotates, the jacket 14 will be raised slightly, that is, just sufficient to loosen the jacket from the material, and when said jacket hns been raised a sli ht distance, the rotation of the table may e stopped, whereupon the sections at' the jacket may be readily removed 't-,f the tile formed. The core may be removed from the tile in any approved manner, and said tile may'then be allowed to stay in one section of the jacket 14, said jacket acting as a pallet until the cement has set. When one tilehasl been completed, another jacket may be ap lied to the base 12 about the core 13 and t e machine again set in operation, as before described, and in this connection, it'might be stated that provision may be made` in the base plate 12 for and it will further be seen that I have pro-y vided means whereby saidtamping device may be thrown into and out of effective position without affecting the rotation of the mold. It will further be seen that I have provided a revolvingA table upon which the mold is adapted t-o belplaced` the rotation of which table may be stopped withoutlaecting the operation of the tamping device. It will .further be seen` that my improved tamping device will be automatically raised and lowered to compensate for the unevenness of theupper surface of the concrete in the form, whereby the tile `will be perfectly tamped when completed. It will still further be seen that I have provided a means to absorb the shock or jar incident to the contacting of the tamper `rodwith the surface of the concrete 1n the form. It will further be seen that by means of the arrangement heretofore described. the complete frame carrying the tamping device may be moved forwardly or rearwardly on the main frame of the machine, whereby the tamper may accommodate various sizes of molds and \ma v be readily moved out of operative position. Furthermore, it will be seen that I have provided a device which is comparatively simple, but durable in construction, and one which is very effective and useful in operation. It will further be seen that various sized tiles maybe formed by merely nesting or teleseoping cores over the central corev heretoforedescribed, and fmthermore, although I have merely shown means for the formation of tiles at one end of the device, additional means may also be provided identical with the means described for forming the tiles at the opposite end of the device, whereby a greater number of tiles .may be formed with little or 11o trouble and expense attached thereto. `In this connection, it must be also stated that various changes in form, proportion and in the minor details of construction may be resorted to without departing,` from `the s irit or sacrificing any o the principles o the invention.

`What I claim is :-l

1. In a tamping arrangement for tile forming machines, the combination with a lio movable frame, vertical/guide bars'munted thereonnand bracing' means for is'a1d` guide bars g' of'a tamping frame slidably arranged onjsaid guide'bais and provided with a horizontally extending bearing, a' shaft rotataextending vertically thereof, a tamping head slidably arranged the last referred to bearing, connecting means between `said 'head and crank, a'- sleeve mountedin the lower end ofsaid head, a' tamping rod having the end thereof reduced in diameter and .slidably disposed through said sleeve, a coil spring encircling the reduced portion of said rod and contacting with. the lower end of the sleeve portion tonormally force said rod outwardly, and means to limit the movement of said rod with' respectto, the sleeve.

2. In a tamping *arrangementvv for tile Aforming machines, the combination with a pair of vertical guidel bars; of a tamping frame slidably arranged thereon and provided with a horizontally arranged bearing,

a shaft rotatably mounted in said bearing and v provided at one end thereof'with a crank,

`means to rota-te said shaft,` an additional `bearing carried on said frame and disposed vertically thereof, a tainping head slide-bly disposed through Vthe latter bearing and having operative connection with said crank, asleeve 'disposed in the lower end of said head, said sleeve being provided at its lower end with an annular flange, means to secure said sleeve in position in the4 head, a tainping rod having the upper end thereof reduced in diameter and extended through said sleeve, the extreme upper end of said rodbeing provided with a head to limit the outward movement of said rod from the sleeve, and a coil spring encircling the reduced portion of said rod between the shouly der thereon and the tiange on said sleeve to Anormally force said rod in its outward posisaid shaft being provided with a gear therelatter shaft, friction' cones,- respectively,

carriedby said-vertical and lastreferred to.

horizont-al shafts to rotate theone vshaft @upon the rotation of the other, and alever pivotallyxcarriedon the frame adaptedto.

raiseone ofI said,` cones out of engagement with the otherm 4. In .a tile forming machine, a platform, a table revolubly mounted thereon, a plurality-of rollers mounted on said platform and arranged in a circular alinement thereon,

said rollers being adapted to'receive in engagement therewith, the under face of said table,` means to rotate said table, and means to raise said table out of engagement with. the operating means therefor.'

5. In a tile forming machine, a platform, i

a' shaft revolubly'mountedthereon having a friction disk carried at one end thereof, a plurality `of rollers arran-ged in circular alinement with said friction disk on the l platform, a table revolubly mounted on said platform and adapted to rest on said rollers 'and friction disk, and a foot lever pivotally carried on the platform adapted to raise said table from its engagement with the disk and rollers.

6. In a tile forming machine, the combination with a main supporting frame having tracks thereon, an additional supporting frame slidably mounted on said tracks, ver'- tic'al guide bars carried on the forward end of said additional supporting frame,a tainping frame slidably mounted on said vertical guide bars and provided with a horizontally disposed bearing, a shaft rotatably mounted in said bearing having a crank carried on the forward end thereof, a gear carried on the rear end of said shaft, and a tampingl rod having connection with said crank; of a vertical shaft notatably mounted in the rear of' said guide bars on the additional supporting frame, said shaft being capable ioo of a vertical' movementin itsl bearings, L

-means coperating with the lower end of said vertical shaft to rotate the same when' in its lowermost. position, additional means Gopiesot this patent may be obtained for ve cents each, by addressing the Commilsioner of Patenti.

' Washington,-D. C. 

